The Google Docs team has introduced some really cool changes to the way you make presentations using Google Docs. Some of these are Multi-shape formatting - that allows you to select multiple shapes and/or text boxes, and format them all at once, Manipulation of text boxes - text boxes now grow in size as you type and adapt according to the position of other text boxes.

Another enhancement, rather a shortcut is when you are giving live presentations, you now can navigate to specific slides within your presentation by coosing the particular slide number. For a detailed know how about all these new enhancements can be found on this official Google Docs release.